E-book is short for electronic( ) book. It is usually read on personal computers. Some mobile phones can also be used to read e-books. Earlier e-books were written for a specific group of readers and were about only a few subjects. With the development of the internet, knowledge and answers to a lot of questions mainly come from e-books. This is why the e-book business is increasing quickly E-books have many advantages. First, they save time. We don't need to go to a bookstore to buy books, besides, we can find the topic we want to know about on the Internet, and then we can quickly get many e-books on similar topics. Second, e-books save money. Some e-books cost a little money, and there are millions of e-books on the Internet that we can get for free. Third, more trees are saved because e-books don't need to be printed  on paper. Fourth, e-books make reading more convenient. You can carry a whole library of hundreds of books with you in a small computer or any e-book reader   without worrying about their weight. But e-books have certain disadvantages. They need a personal computer or an e-book reader and the information can be lost if its file format   is not supported or changed in the reader's computer. However, e-books provide us with a new way of reading. That is good. ,. Which of the following is true according to this article? A) E-books can't be red on mobile phones. B) All the e-books on the Internet cost lots of money. C) E-books can make reading more convenient. D) You can't read e-books without a personal computer.
C

Mary has a lot of hobbies. She usually gets up early so she can run before work. She doesn't often have time to skate, but she sometimes goes on Saturdays during the winter. Mary often rides a horse near here home. She sometimes goes after work, but she usually goes horseback riding on Sundays. She loves music. She always goes to choir practice  on Wednesday evenings and sings in church  on Sundays. She doesn't have much money, so she seldom  goes to concerts  in the city. She seldom watches TV because she likes doing things outside. She usually goes to the gym  if it's raining outside. She isn't often alone  because she has a lot of friends. She sometimes does something alone, but she usually does her hobbies with one of her friends. She's a happy woman! Mary seldom goes to concerts because she   _ A) isn't rich B) is busy C) doesn't like music D) has many friends
A

It seems that everywhere around the world, people are spending more time at work and less time with their families and friends.People are busier than ever before. In the past in many countries,the father worked and the mother stayed at home, took care of the children, and did the food shopping,cooking,and cleaning.At present in most of the families,parents need to work on weekends,so they both have to do the shopping,cooking,and cleaning in their free time.Parents don't have much time with their children,however,they often had time in the past.There are also many single parent families.In these families,the single parent has to do everything. These days,many children come home from school to an empty apartment or house.A lot of children spend many hours each day in front of the television.Even when families are together,it is common for family members to do things by themselves.For example,they watch programs on their own TVs in different rooms,they use the Internet,they talk with friends on the telephone,and they do other things by themselves. Isn't it strange?Thanks to technology,people are able to communicate so easily with people far away,but sometimes they don't communicate with people in their own homes. Everywhere around the world people are   _    than the past. A) happier B) lazier C) busier D) healthier

B